Visualising model selection in regression

  1. Cecilio Mar-Molinero 1
  2. Carlos Serrano-Cinca 2
  3. Fabiola Portillo 3
  1. 1 University of Kent, UK, and University Autonoma of Barcelona, Spain
  2. 2 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

  3. 3 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

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Actas:
4th Stochastic Modeling Techniques and Data Analysis International Conference with 5th Demographics Workshop. SMTDA2016. Valletta, Malta, June 1 - 4, 2016. Book of Abstracts
  1. Christos H Skiadas (ed. lit.)

Editorial: ISAST: International Society for the Advancement of Science and Technology

ISBN: 978-618-5180-14-0,  978-618-5180-15-7

Año de publicación: 2016

Páginas: 59-60

Congreso: 4th Stochastic Modeling Techniques and Data Analysis International Conference with 5th Demographics Workshop. SMTDA2016. Valletta, Malta, June 1 - 4, 2016

Tipo: Aportación congreso

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Resumen

Specifying a regression model requires deciding on which explanatoryvariables it should contain as well as deciding on the functional form thatrelates the dependent variable to the explanatory variables. Variousmodel selection procedures exist. However, there still is no satisfactory answer to the question of which model is “best”. We propose tosupplement model selection procedures with graphical representationsobtained from the techniques of multivariate statistics. The figuresobtained put in evidence the presence of extreme multivariate residuals,displays families of models with similar statistical performance, and canguide model selection for implementation purposes